Sewing machine



FIG. 1 is a perspective view of a sewing machine embodying my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a fragmentary sectional view taken on the line 3--3 of FIG. 2;

FIG. 4 is a rear elevational view;

FIG. 5 is an end elevational view looking from the right of FIG. 2;

FIG. 6 is an end elevational view looking from the left of FIG. 2;

FIG. 7 is a top plan view; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a sewing machine, as shown. 